In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Earth is the only planet in our solar system that's not named after a god or goddess.
17
A comet's tail always points away from the sun.
2
The light hitting the earth right now is 30 thousand years old.
163
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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